commit e3512d887df41a8162c3e361171c04beca08415b
Author: Tom Stejskal <tom.stejskal@gmail.com>
Date:   Mon Nov 19 20:09:43 2018 +0100

    Fix Map.!: given key is not an element in the map

diff --git a/compiler/src/Elm/Compiler/Type/Extract.hs b/compiler/src/Elm/Compiler/Type/Extract.hs
index 1aafe1d4..99763392 100644
--- a/compiler/src/Elm/Compiler/Type/Extract.hs
+++ b/compiler/src/Elm/Compiler/Type/Extract.hs
@@ -10,6 +10,7 @@ module Elm.Compiler.Type.Extract
 
 
 import Data.Map ((!))
+import qualified Data.Map as Map
 import qualified Data.Maybe as Maybe
 import qualified Data.Set as Set
 
@@ -134,11 +135,15 @@ extractUnion interfaces (Opt.Global home name) =
     else
       let
         pname = toPublicName home name
-        unions = I._unions (interfaces ! home)
+        maybeUnions = I._unions <$> Map.lookup home interfaces
       in
-      case I.toUnionInternals (unions ! name) of
-        Can.Union vars ctors _ _ ->
-          T.Union pname vars <$> traverse extractCtor ctors
+      case Map.lookup name =<< maybeUnions of
+        Just union ->
+          case I.toUnionInternals union of
+            Can.Union vars ctors _ _ ->
+              T.Union pname vars <$> traverse extractCtor ctors
+        Nothing ->
+          return $ T.Union pname [] []
 
 
 extractCtor :: Can.Ctor -> Extractor (N.Name, [T.Type])
etc/snippets/text-mode/guix-commit-message-update-package?id=2f45b56802de3b05e0565cfad89a0294c0d456b5'>tree</a><a href='/guix/commit/etc/snippets/text-mode/guix-commit-message-update-package?id=2f45b56802de3b05e0565cfad89a0294c0d456b5'>commit</a><a href='/guix/diff/etc/snippets/text-mode/guix-commit-message-update-package?id=2f45b56802de3b05e0565cfad89a0294c0d456b5'>diff</a></td><td class='form'><form class='right' method='get' action='/guix/log/etc/snippets/text-mode/guix-commit-message-update-package'>
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<tr><td><span title='2019-03-07 23:55:24 +0100'>2019-03-07</span></td><td><a href='/guix/commit/etc/snippets/text-mode/guix-commit-message-update-package?id=d6234620ace1863d8102b065311ef3d94e0931da'>etc: snippets: Prefill package name and version.</a><span class='msg-avail'>...<span class='msg-tooltip'>* etc/snippets/text-mode/guix-commit-message-update-package: Extract package
name and version from git diff output.
</span></span></td><td>Ricardo Wurmus</td></tr>
.scm (nslcd-configuration): Likewise.
* gnu/services/cgit.scm (repository-cgit-configuration): Likewise.
* gnu/services/file-sharing.scm (serialize-maybe-string)
(serialize-maybe-file-object): Use 'unspecified?' instead of (eq? val
'disabled).
* gnu/services/messaging.scm (raw-content?): Likewise.
(ssl-configuration): Change (maybe-xyz 'disabled) to maybe-xyz.
(prosody-configuration): Likewise.
* gnu/services/file-sharing.scm (transmission-daemon-configuration):
Likewise.
* gnu/services/messaging.scm (define-all-configurations):
Use *unspecified* instead of 'disabled'.
* gnu/services/networking.scm (opendht-configuration): Likewise.
* gnu/services/pm.scm (tlp-configuration): Likewise.
* gnu/services/telephony.scm (jami-account): Likewise.
(jami-configuration): Likewise.
* gnu/services/vpn.scm (openvpn-client-configuration): Likewise.
* tests/services/configuration.scm ("maybe type, no default")
("maybe type, with default"): New tests.

Signed-off-by: Ludovic Courtès &lt;ludo@gnu.org&gt;
</span></span></td><td>Attila Lendvai</td></tr>
<tr><td><span title='2022-03-20 16:40:22 +0100'>2022-03-20</span></td><td><a href='/guix/commit/gnu/services/pm.scm?id=10d865aa921f559562fb543d7796c7a08e17f016'>services: thermald: Add 'adaptive?' field.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/services/pm.scm (&lt;thermald-configuration&gt;): Add 'adaptive?' field.
(thermald-shepherd-service): Use it to pass --adaptive to thermald.
* doc/guix.texi (Power Management Services): Document the 'adaptive?' field of
'thermald-configuration'.
</span></span></td><td>Jelle Licht</td></tr>
<tr><td><span title='2022-02-02 10:43:04 +0100'>2022-02-02</span></td><td><a href='/guix/commit/gnu/services/pm.scm?id=67f28faf42a362ae4d50ede4cc48782e2aea887f'>services: tlp: Add config variables for battery charging.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/services/pm.scm (tlp-configuration): Add start-charge-thresh-bat0,
stop-charge-thresh-bat0, start-charge-thresh-bat1, stop-charge-thresh-bat1.
* doc/guix.texi (Power Management Services): Document them.

Signed-off-by: Ricardo Wurmus &lt;rekado@elephly.net&gt;
</span></span></td><td>Attila Lendvai</td></tr>
<tr><td><span title='2021-11-30 01:08:55 +0100'>2021-11-30</span></td><td><a href='/guix/commit/gnu/services/pm.scm?id=892f1b7273d57b25940700877a02618fe826cc08'>services: Accept &lt;inferior-package&gt;s in lieu of &lt;package&gt;s.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/services/authentication.scm (fprintd-configuration)
(nslcd-configuration): Substitute file-like objects for package ones.
* gnu/services/cgit.scm (cgit-configuration, opaque-cgit-configuration):
Likewise.
* gnu/services/cups.scm (package-list?, cups-configuration): Likewise.
* gnu/services/dns.scm (verify-knot-configuration)
(ddclient-configuration): Likewise.
* gnu/services/docker.scm (docker-configuration): Likewise.
* gnu/services/file-sharing.scm (transmission-daemon-configuration): Likewise.
* gnu/services/getmail.scm (getmail-configuration): Likewise.
* gnu/services/mail.scm (dovecot-configuration)
(opaque-dovecot-configuration): Likewise.
* gnu/services/messaging.scm (prosody-configuration)
(opaque-prosody-configuration): Likewise.
* gnu/services/monitoring.scm (zabbix-server-configuration)
(zabbix-agent-configuration): Likewise.
* gnu/services/networking.scm (opendht-configuration): Likewise.
* gnu/services/pm.scm (tlp-configuration): Likewise.
* gnu/services/telephony.scm (jami-configuration): Likewise.
* gnu/services/virtualization.scm (libvirt-configuration)
(qemu-guest-agent-configuration): Likewise.
* gnu/services/vpn.scm (openvpn-client-configuration): Likewise.
</span></span></td><td>Tobias Geerinckx-Rice</td></tr>